This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/grafana:10
  docker pull registry.opensuse.org/opensuse/grafana:10.3
  docker pull registry.opensuse.org/opensuse/grafana:10.3.5
  docker pull registry.opensuse.org/opensuse/grafana:10.3.5-23.8

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.